Nitrogen and hydrogen combine to form ammonia. what are the products, or what is the product, in this chemical reaction?

a) ammonia
b) nitrogen only
c) hydrogen only

What is the theoretical yield of carbon dioxide? a)0.993 gb)2.98 gc)3.65 gd)8.93 g

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.